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Stage distribution in 110 patients with buccal mucosa carcinoma, n (%).
| Pathology stage (n, %) | pN0 | pN1 | pN2 | pN3 | |
| I (25, 22.7%) | pT1 | 25 (22.7) | 1 (0.9) | 1 (0.9) | 0 |
| II (31, 28.2%) | pT2 | 31 (28.2) | 0 | 12 (10.9) | 0 |
| III (11, 10.0%) | pT3 | 9 (8.2) | 1 (0.9) | 4 (3.6) | 0 |
| IV (43, 39.1%) | pT4 | 19 (17.3) | 2 (1.8) | 5 (4.5) | 0 |
